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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 11 Abstracts search results
Document:
SP74-10
Date:
August 1, 1982
Author(s):
I. Leon Glassgold
Publication:
Symposium Papers
Volume:
74
Abstract:
The introduction describes the types of materials used in refractory linings, their constituent ingredients and general properties. A brief history is presented with the problems and procedures attendant to the installation and use of various refractory materials. This is followed by an analysis of failure mechanisms with an overview of repair methods, including a description of available hot and cold techniques for the various repair alternatives. The need for careful surface preparation is emphasized, while anchoring and bonding devices are described. Choosing the appropriate repair material is also highlighted. Miscellaneous details covering joints, curing, drying and heatup and their importance in achieving a successful repair are discussed. A detailed description of proper repair procedures, including shotcreting, casting and guncasting, among others, is presented with particular emphasis being placed on the methods available for both plastic and castable requirements. Qua1ity Contro1 of the entire repair procedure and the methods of testing in use at present are assessed.
DOI:
10.14359/17463
SP74-09
Robert E. Fisher
Early failures of monolithics are always a disheartening experience to the supplier, but they often are useful learning experiences as well. A number of field problems are described. These problems were solved by such adjustments as changes in material selection, improvements in existing materials and/or the development of new materials, changes in design, improvements in installation technique and modifications to the bake out procedure.
10.14359/6398
SP74-08
M.S. Crowley
Refining and petrochemical operations, such as fluid catalytic cracking units, naphtha reformers, incinerators, and furnaces subject refractory linings to a variety of aggressive actions, such as erosion, spalling, slagging, and chemical attack. A number of different types of monolithic refractory material are used to resist these actions. The types of refractory failure commonly experienced in refineries and petrochemical plants are discussed and methods of repairing or replacing the deteriorated areas are outlined. The effect of placement techniques, curing conditions, and start up procedures on the serviceability of repaired sections is also discussed.
10.14359/6397
SP74-07
Richard G. LaBar
The purpose of this paper is to provide a description of performance criteria for refractory concretes, or castables, in the melting, holding, and transfer of aluminum alloys in ingot plants. Refractory concretes in these applications have three mechanisms of failure which are attributed to anomalies in refractory installation, thermomechanical stability and chemical stability. Chemical stability indicates the refractory concrete's resistance to corrosive effects of chlorine gas, molten metal, and alkali vapors.
10.14359/6396
SP74-06
Wesley C. Lueking
Plastic refractories fail from anyone of five general causes. One of these is improper installation. A case history is presented of a large monolithic job where several fundamentals of installation were not followed and subsequent replacement was required.
10.14359/6395
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